#include <iostream>
using std::cout;
using std::endl;

class Complex{
public:
    Complex(double real,double image)
    : _real(real)
    , _image(image)
    {
        cout << "Complex(double,double)" << endl;
    }

    void print() const{
        cout << _real << " + " << _image << "i" << endl;
    }

    //运算符重载之成员函数
    Complex & operator+=(const Complex & rhs){
        cout << "Complex 成员函数 +=" << endl;
        _real += rhs._real;
        _image += rhs._image;
        return *this;
    }
private:
    double _real;
    double _image;
};


void test0(){
    Complex c1(1,2);
    Complex c2(4,5);
    c1 += c2;
    c1.print();
}

int main(void){
    test0();
    return 0;
}
